2 in Phylum Nematoda: feeding habits for all valid genera using a new, universal scheme encompassing the entire phylum, with descriptions of morphological characteristics of the stoma, a key, and discussion of the evidence for trophic relationships

<p>2. Predators</p><table><tbody><tr><th>Feeding method</th><th>Equivalent in microbial marine scheme (Weiser 1953, 1959, Boucher 1973)</th><th><b><b>Equivalent in plant-parasitic terrestrial</b> scheme (Yeates <i>et al</i>. 1993)</b></th></tr></tbody><tbody><tr><th>Chewer</th><td>Omnivore-predator (2B)</td><td>Ingester predator (5a)</td></tr><tr><th>Piercer</th><td></td><td>Piercer predator (5b)</td></tr></tbody></table>